6/6 Will the housemates finally discover what caused the end of the world?
5/6 The last people on Earth play a murder mystery game, organised by The Stranger.
4/6 The world has ended but Donna, Johnny, Patrick and Abigail still take a bank holiday trip.
3/6 The last four people on Earth ponder continuing the human race.
2/6 The last five people left on Earth try to elect a head of the household.
1/6 Housemates Donna, Johnny, Patrick and Abigail discover they are the last people on Earth.